The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Newberg you can estimate when it's a good idea to plant chrysocephalum by using the USDA zone info.

Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum:	Not tolerant of frost.
When to plant:	After the last frost.

Since chrysocephalum are not cold tolerant it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant chrysocephalum in Newberg is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant chrysocephalum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chrysocephalum may not have a chance to really do well. You can get started a few weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

The average date of last frost is March 15 in Newberg. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Newberg is just an average the actual date of last frost will vary from year to year. Half of the time in Newberg you get surprised by a frost after March 15 so always be ready to protect your chrysocephalum in the event of one of those late frosts.

USDA Zone Info for Newberg

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Newberg

You may be interested in your other planting guides for Newberg.